The Bulge Radial Velocity Assay: new observations and results

Kunder, A., Propris, R. D., Rich, R. M. & Koch, A., 2011, In: Bulletin of the American Astronomical Society. 217, 241.12.

Research output: Contribution to Journal/Magazine › Meeting abstract

A first measurement of the proper motion of the Leo II dwarf spheroidal galaxy

Lépine, S., Koch, A., Rich, R. M. & Kuijken, K., 24/10/2011, In: The Astrophysical Journal. 741, 2, 10 p., 100.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Population gradients and photometric metallicities in early- and transition-type dwarf galaxies: clues from the Sculptor group

Lianou, S., Grebel, E. K., Da Costa, G. S., Rejkuba, M., Jerjen, H. & Koch, A., 17/01/2013, In: Astronomy and Astrophysics. 550, 21 p., A7.

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Spectroscopic versus photometric metallicities: Milky Way dwarf spheroidal companions as a test case

Lianou, S., Grebel, E. K. & Koch, A., 5/07/2011, In: Astronomy and Astrophysics. 531, 17 p., A152.

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Dwarf spheroidals in the M81 Group: metallicity distribution functions and population gradients

Lianou, S., Grebel, E. K. & Koch, A., 19/10/2010, In: Astronomy and Astrophysics. 521, 15 p., A43.

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M 81 group dSphs: metallicity distribution functions and gradients

Lianou, S., Grebel, E. K. & Koch, A., 2011, In: EAS Publications Series. 48, p. 91-92 2 p.

Research output: Contribution to Journal/Magazine › Journal article

Dwarf spheroidals in the M81 galaxy group

Lianou, S., Grebel, E. K. & Koch, A., 2010, In: ASP Conference Series. 424, p. 242-243 2 p.

Research output: Contribution to Journal/Magazine › Journal article

Dwarf spheroidal galaxies in the M81 group of galaxies

Lianou, S., Grebel, E. K. & Koch, A., 2009, In: Astronomical Notes / Astronomische Nachrichten. 330, 9-10, p. 995-997 3 p.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Triangulum II: a very metal-poor and dynamically hot stellar system

Martin, N. F., Ibata, R. A., Collins, M. L. M., Rich, R. M., Bell, E. F., Ferguson, A. M. N., Laevens, B. P. M., Rix, H-W., Chapman, S. C. & Koch, A., 5/02/2016, In: The Astrophysical Journal. 818, 1, 7 p., 40.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

The Gaia ESO survey: calibration strategy

Pancino, E. & Koch, A., 02/2017, In: Astronomy and Astrophysics. 598, 16 p., A5.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

The Be-test in the Li-rich star #1657 of NGC 6397: evidence for Li-flash in RGB stars?

Pasquini, L., Koch, A., Smiljanic, R., Bonifacio, P. & Modigliani, A., 03/2014, In: Astronomy and Astrophysics. 563, 5 p., A3.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Separating the conjoined red clump in the Galactic bulge: kinematics and abundances

Propris, R. D., Rich, R. M., Kunder, A., Johnson, C. I., Koch, A., Brough, S., Conselice, C. J., Gunawardhana, M., Palamara, D., Pimbblet, K. & Wijesinghe, D., 25/04/2011, In: Astrophysical Journal Letters. 732, 2, 5 p., L36.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

On the reported death of the MACHO era

Quinn, D. P., Wilkinson, M. I., Irwin, M. J., Marshall, J., Koch, A. & Belokurov, V., 29/04/2009, In: Monthly Notices of the Royal Astronomical Society: Letters. 396, 1, p. L11-L15 5 p.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Dark matter constraints from wide halo binary stars

Quinn, D. P., Wilkinson, M. I., Irwin, M. J., Marshall, J., Koch, A. & Belokurov, V., 2010, In: ASP Conference Series. 435, p. 453-456 4 p.

Research output: Contribution to Journal/Magazine › Journal article

Kinematic and chemical constraints on the formation of M31’s inner halo structures

Reitzel, D. B., Koch, A. & Rich, R. M., 2008, In: Bulletin of the American Astronomical Society. 39, p. 897

Research output: Contribution to Journal/Magazine › Meeting abstract

The line of sight velocity distribution of the Galactic bulge

Reitzel, D. B., Howard, C. D., Rich, R. M., Koch, A. & Zhao, H., 2007, In: Bulletin of the American Astronomical Society. 38, p. 1149

Research output: Contribution to Journal/Magazine › Meeting abstract

A tidally distorted dwarf galaxy near NGC 4449

Rich, R. M., Collins, M. L. M., Black, C. M., Longstaff, F. A., Koch, A., Benson, A. J. & Reitzel, D. B., 9/02/2012, In: Nature. 482, 7384, p. 192-194 3 p.

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The Bulge Radial Velocity Assay (BRAVA): final results, a new high velocity star, and public data release

Rich, R. M., Kunder, A., Propris, R. D. & Koch, A., 2012, In: Bulletin of the American Astronomical Society. 219, 252.02.

Research output: Contribution to Journal/Magazine › Meeting abstract

Striking agreement between galactic bulge kinematics from the BRAVA survey, and an N-body bar

Rich, R. M., Shen, J., Howard, C. D., Propris, R. D., Koch, A. & Reitzel, D. B., 2010, In: Bulletin of the American Astronomical Society. 215, 321.06.

Research output: Contribution to Journal/Magazine › Meeting abstract

Keck/Deimos spectroscopy of distant M31 fields with deep HST imaging

Rich, R. M., Brown, T. M., Reitzel, D. B., Ferguson, H. & Koch, A., 2007, In: Bulletin of the American Astronomical Society. 38, p. 1155

Research output: Contribution to Journal/Magazine › Meeting abstract

The Halos and Environments of Nearby Galaxies (HERON) Survey

Rich, R. M., Brosch, N., Bullock, J., Burkert, A., Collins, M. L. M., de Groot, L., Kennefick, J., Koch, A., Longstaff, F. A. & Sales, L., 21/03/2017, In: Proceedings of the International Astronomical Union. 11, S321, p. 186-189 4 p.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

The Gaia-ESO Survey: detailed abundances in the metal-poor globular cluster NGC 4372

Roman, I. S., Muñoz, C., Geisler, D., Villanova, S., Kacharov, N., Koch, A., Carraro, G., Tautvaišiene, G., Vallenari, A., Alfaro, E. J., Bensby, T., Flaccomio, E., Francois, P., Korn, A. J., Pancino, E., Recio-Blanco, A., Smiljanic, R., Bergemann, M., Costado, M. T., Damiani, F., & 11 othersHeiter, U., Hourihane, A., Jofré, P., Lardo, C., Laverny, P. D., Masseron, T., Morbidelli, L., Sbordone, L., Sousa, S. G., Worley, C. C. & Zaggia, S., 14/04/2015, In: Astronomy and Astrophysics. 579, 14 p., A6.

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A new algorithm for optimizing the wavelength coverage for spectroscopic studies: Spectral Wavelength Optimization Code (swoc)

Ruchti, G. R., Feltzing, S., Lind, K., Caffau, E., Korn, A. J., Schnurr, O., Hansen, C. J., Koch, A., Sbordone, L. & De jong, R. S., 11/09/2016, In: Monthly Notices of the Royal Astronomical Society. 461, 2, p. 2174-2191 17 p.

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Dwarf spheroidal galaxy kinematics and spiral galaxy scaling laws

Salucci, P., Wilkinson, M. I., Walker, M., Gilmore, G., Grebel, E. K., Koch, A., Martins, C. F. & Wyse, F. G., 1/03/2012, In: Monthly Notices of the Royal Astronomical Society. 420, 3, p. 2034-2041 8 p.

Research output: Contribution to Journal/Magazine › Journal article › peer-review